
*{
	padding: 0;
	margin: 0;
}

.clear{
	float: none;
	display: none;
}

li{
	list-style: none;
}

section{
	width: 100%;
}

section .top .top_nav{
	width: 100%;
	/*height: 27px;*/
	background-color: #F0F0F0;
}

section .top .top_nav>ul{
	width: 1180px;
	height: 27px;
	margin: 0 auto;
}

section .top .top_nav>ul>li{
	float: left;
	font-size: 13px;
	color: #666666;
	/*line-height: 27px;*/
	padding: 5px 6px;
	margin-right: 10px;
	position: relative;
	z-index: 10;
	transition: all 0.3s;
}

section .top .top_nav>ul>li:hover{
	background-color: white;
	box-shadow: 0 0 5px #ccc;
}

section .top .top_nav>ul>li:hover >div{
	display: block;
}

section .top .top_nav>ul>li>div{
	position: absolute;
	top: 27px;
	left: 0;
	/*z-index: 10;*/
	width: 426px;
    height: 188px;
    padding-top: 12px;
    background-color: white;
    box-shadow: 0 0 5px #ccc;
    display: none;
}

section .top .top_nav>ul>li:nth-of-type(12)>div,
section .top .top_nav>ul>li:nth-of-type(13)>div,
section .top .top_nav>ul>li:nth-of-type(14)>div,
section .top .top_nav>ul>li:nth-of-type(15)>div,
section .top .top_nav>ul>li:nth-of-type(16)>div{
	left: inherit;
	right: 0;
}

section .top .top_nav>ul>li>div a{
	text-decoration: none;
	color: #666666;
	font-weight: 50;
	font-size: 12px;
}

section .top .top_nav>ul>li>div>span:nth-of-type(1){
	display: block;
	width: 426px;
	/*border: 1px solid cadetblue;*/
}

section .top .top_nav>ul>li>div>span:nth-of-type(1)>a{
	float: left;
	display: inline-block;
	width: 213px;
	padding: 5px 10px;
	box-sizing: border-box;
	line-height: 20px;
}

section .top .top_nav>ul>li>div>span:nth-of-type(1)>a:nth-of-type(2n){
	border-left: 1px solid #F0F0F0;
}

section .top .top_nav>ul>li>div>span:nth-of-type(1)>a:hover{
	color: green;
}

section .top .top_nav>ul>li>div>span:nth-of-type(2){
	display: block;
	width: 406px;
	height: 35px;
	position: absolute;
	bottom: 0;
	left: 10px;
	border-top: 1px solid #F0F0F0;
}

section .top .top_nav>ul>li>div>span:nth-of-type(2)>a{
	display: block;
	line-height: 35px;
	float: right;
	color: green;
}

/*section .top .top_loop{
	height: 425px;
	width: 100%;
}

section .top .top_loop{
	height: 425px;
	width: 1180px;
	margin: 0 auto;
}*/

section .center{
	width: 100%;
	height: 1070px;
	background-color: #fafafa;
}

section .center .center_content{
	width: 1180px;
	margin: 0 auto;
}

section .center .center_content .nav{
	color: #333;
	padding: 15px 0;
	box-sizing: border-box;
	width: 1180px;
}

section .center .center_content .nav>h2{
	font-size: 24px;
    line-height: 30px;
    float: left;
}

section .center .center_content .nav>span:nth-of-type(1)>a{
	font-size: 13px;
	cursor: pointer;
	display: inline-block;
	padding: 2px 5px;
	margin: 10px 0 0 10px;
	border-radius: 3px;
}

section .center .center_content .nav>span:nth-of-type(1)>a:hover{
	color: white;
	background-color: #286a46;
}

section .center .center_content .nav>span:nth-of-type(2){
	float: right;
	margin-top: 15px;
	font-size: 13px;
}

section .center .center_content .nav>span:nth-of-type(2)>a{
	color: #55A532;
	text-decoration: none;
}

section .center .center_content .nav>span:nth-of-type(2)>a:hover{
	text-decoration: underline;
}

section .center .center_content .plan{
	width: 1180px;
	height: 290px;
	padding-top: 30px;
	margin-bottom: 50px;
}

section .center .center_content .plan .nav{
	width: 870px;
}

section .center .center_content .plan>ul>li{
	float: left;
	margin-right: 35px;
}

section .center .center_content .plan>ul>li:nth-last-child(1){
	float: left;
	margin-right: 0;
}

section .center .center_content .plan>img{
	float: right;
	width: 270px;
	margin-top: 40px;
	cursor: pointer;
}

section .center .center_content .recommend{
	height: 355px;
	width: 1180px;
	margin-bottom: 40px;
}

section .center .center_content .recommend .con>li{
	float: left;
	margin-left: 20px;
	margin-bottom: 20px;
}

section .center .center_content .recommend .con01{
	float: left;
}

section .center .center_content .like{
	padding: 20px 0;
	width: 1180px;
	height: 185px;
}

section .center .center_content .like .nav>span{
	margin-left: 20px;
	font-size: 13px;
}

section .center .center_content .like .nav>span>a{
	margin-left: 0;
	color: #55A532;
	font-size: 12px;
}

section .center .center_content .like .nav>span:nth-of-type(1)>a{
	color: white;
	background-color: #286a46;
}

section .center .center_content .like>ul>li{
	float: left;
	margin-right: 20px;
}

section .center .center_content .like>ul>li:nth-last-of-type(1){
	margin-right: 0;
}

section .bottom{
	width: 100%;
	height: 3740px;
	background-color: #f0f0f0;
}

section .bottom .content{
	width: 1180px;
	height: 315px;
	margin: 0 auto;
	margin-bottom: 55px;
}

section .bottom .content .left{
	/*width: 180px;
	height: 295px;
	padding-top: 30px;
	box-sizing: border-box;
	background-color: cadetblue;*/
	float: left;
	width: 180px;
    height: 315px;
    margin-right: 20px;
    margin-bottom: 55px;
    padding-top: 28px;
    box-sizing: border-box;
    background: #888;
    transition: .5s;
}

section .bottom .content .left a{
	text-decoration: none;
	color: #fff;
}

section .bottom .content .left>h2{
	text-align: center;
	font-size: 24px;
    font-weight: normal;
    line-height: 1.25em;
    color: #fff;
}

section .bottom .content .left>ul{
	width: 180px;
	margin-top: 15px;
	box-sizing: border-box;
}

section .bottom .content .left>ul>li{
	float: left;
	font-size: 14px;
	margin-bottom: 15px;
}

section .bottom .content .left>a{
	font-size: 14px;
}

section .bottom .content .left1{
	background-color: #970700;
}

section .bottom .content .left1>ul,
section .bottom .content .left2>ul{
	height: 170px;
	padding-left: 30px;
}

section .bottom .content .left1>ul>li,
section .bottom .content .left2>ul>li{
	width: 4em;
	margin-left: 10px;
}

section .bottom .content .left1>a,
section .bottom .content .left2>a{
	margin-left: 40px;
}

section .bottom .content .left2{
	background-color: #257397;
}

section .bottom .content .left3{
	background-color: #4aa4fc;
}

section .bottom .content .left3>ul,
section .bottom .content .left4>ul,
section .bottom .content .left5>ul{
	padding-left: 10px;
}

section .bottom .content .left3>ul>li{
	width: 4em;
	margin-left: 15px;
}

section .bottom .content .left3>a,
section .bottom .content .left4>a,
section .bottom .content .left5>a{
	margin-left: 25px;
}

section .bottom .content .left4{
	background-color: #20673f;
}

section .bottom .content .left4>ul>li,
section .bottom .content .left5>ul>li{
	width: 5em;
	margin-left: 15px;
}

section .bottom .content .left5{
	background-color: #7e512a;
}

section .bottom .content .left6{
	background-color: #7d9519;
}

section .bottom .content .left6>ul,
section .bottom .content .left7>ul,
section .bottom .content .left8>ul{
	padding-left: 12px;
}

section .bottom .content .left6>ul>li,
section .bottom .content .left7>ul>li,
section .bottom .content .left8>ul>li{
	width: 5em;
	margin-left: 10px;
}

section .bottom .content .left6>a,
section .bottom .content .left7>a,
section .bottom .content .left8>a{
	margin-left: 22px;
}

section .bottom .content .left7{
	background-color: #10ae58;
}

section .bottom .content .left8{
	background-color: #0064b7;
}

section .bottom .content>ul{
	float: right;
	width: 980px;
	height: 315px;
}

section .bottom .content>ul>span{
	float: left;
}

section .bottom .content>ul>li{
	float: left;
	margin-left: 20px;
	margin-bottom: 20px;
}

section .bottom .vote{
	width: 1180px;
	height: 50px;
	margin: 0 auto;
	background-color: white;
	text-align: center;
	line-height: 50px;
	font-size: 14px;
}

section .bottom .vote>span>a{
	font-size: 14px;
	color: #008000;
	text-decoration: none;
}

section .bottom .course_source,
section .bottom .cesource_sharing,
section .bottom .contribution{
	width: 1180px;
	margin: 0 auto;
	padding: 15px 16px;
	color: #666666;
}

section .bottom .course_source>span>h3,
section .bottom .cesource_sharing>span>h3,
section .bottom .contribution>h3{
	float: left;
	margin-right: 10px;
	font-weight: 500;
}

section .bottom .course_source>span>p,
section .bottom .cesource_sharing>span>p,
section .bottom .contribution>p{
	padding-top: 6px;
	font-size: 14px;
}

section .bottom .contribution>p{
	margin-top: 10px;
	text-indent: 2em;
	font-size: 12px;
	line-height: 20px;
}

section .bottom .logo{
	width: 1180px;
	margin-top: 20px;
	height: 240px;
	border-bottom: 1px solid #c0c0c0;
}

section .bottom .cesource_sharing .logo{
	width: 1180px;
	margin-top: 20px;
	height: 80px;
}

section .bottom .logo>a{
	display: block;
	width: 80px;
	height: 50px;
    margin: 0 40px 25px 0;
    float: left;
}

section .bottom .logo>a>img{
	display: block;
	width: 80px;
	height: 50px;
}

section .bottom .logo>a:nth-of-type(10n){
	margin-right: 0;
}

section #app_down{
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	background-color: rgba(0,0,0,0.8);
	text-align: center;
}

section #app_down>img{
	width: 1180px;
}

section #app_down>span{
	cursor: pointer;
	display: block;
	width: 30px;
	height: 30px;
	position: absolute;
	top: 0;
	left: 50%;
	transform: translateX(560px);
}
